Rick L. Neby

Person

  • Plymouth, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Multifocal diffractive lens

    • Patent number 4,830,481
    • Issue date May 16, 1989
    • Minnesota Mining and Manufacturing Company
    • John A. Futhey
    • G02 - OPTICS

Patents Applicationslast 30 patents